Answer:

COSTAR

AnswerCrossword Clue
COSTARShare the marquee
COSTARShare the lead
COSTARBilling splitter
COSTARShare top billing
COSTARCurtain-call sharer
COSTARMarquee sharer
COSTARMarquee listing
COSTARBill sharer
COSTARLead sharer
COSTAROne sharing the billing
COSTARMarquee name, often
COSTARShare the bill
COSTAROne who shares the bill?
COSTARCredit sharer
COSTARAbbott, to Costello
COSTARBacall, to Bogart, at times
COSTARSplit the bill?
COSTARLimelight sharer
COSTARMarquee partner
COSTARTop-billing sharer
COSTARCostello, to Abbott
COSTARSecond-billed one
COSTAROne with equal billing
COSTARSecond-billed performer
COSTARSpotlight sharer
COSTARCurtain-call participant
COSTARShare the lights
COSTARRogers, to Astaire, often
COSTARArmy VIPs and sailor share the bill (6)
COSTARAct with equal billing.
COSTARShare the billing with.
COSTARSharer of top billing.
COSTARHave equal billing.
COSTARShare the limelight.
COSTARShare the limelight
COSTARTandy, to Cronyn
COSTARShare the billing
COSTARWhat Allen and Keaton often do
COSTARFontanne, to Lunt
COSTARLaurel or Hardy, e.g.